diff --git a/test/fixtures/pythagorean-triplet/chroth7/babel.config.js b/test/fixtures/pythagorean-triplet/chroth7/babel.config.js
new file mode 100644
index 0000000..eca2579
--- /dev/null
+++ b/test/fixtures/pythagorean-triplet/chroth7/babel.config.js
@@ -0,0 +1,20 @@
+module.exports = {
+  presets: [
+    [
+      '@babel/preset-env',
+      {
+        targets: {
+          node: 'current',
+        },
+        useBuiltIns: 'entry',
+        corejs: '3.17',
+      },
+    ],
+    '@babel/preset-typescript',
+  ],
+  plugins: [
+    '@babel/proposal-class-properties',
+    '@babel/proposal-object-rest-spread',
+    '@babel/plugin-syntax-bigint',
+  ],
+}
diff --git a/test/fixtures/pythagorean-triplet/chroth7/package.json b/test/fixtures/pythagorean-triplet/chroth7/package.json
new file mode 100644
index 0000000..6ce5a46
--- /dev/null
+++ b/test/fixtures/pythagorean-triplet/chroth7/package.json
@@ -0,0 +1,33 @@
+{
+  "name": "@exercism/typescript-pythagorean-triplet",
+  "version": "1.0.0",
+  "description": "Exercism exercises in Typescript.",
+  "private": true,
+  "repository": {
+  "type": "git",
+  "url": "https://github.com/exercism/typescript"
+  },
+  "devDependencies": {
+  "@babel/core": "^7.15.5",
+  "@babel/plugin-proposal-class-properties": "^7.14.5",
+  "@babel/plugin-proposal-object-rest-spread": "^7.14.7",
+  "@babel/plugin-syntax-bigint": "^7.8.3",
+  "@babel/preset-env": "^7.15.4",
+  "@babel/preset-typescript": "^7.15.0",
+  "@types/jest": "^26.0.24",
+  "@types/node": "^14.17.14",
+  "@exercism/eslint-config-typescript": "^0.3.0",
+  "babel-jest": "^26.6.3",
+  "core-js": "^3.17.2",
+  "eslint": "^7.32.0",
+  "eslint-plugin-import": "^2.24.2",
+  "jest": "^26.6.3",
+  "typescript": "^4.4.2"
+  },
+  "scripts": {
+  "test": "yarn lint:types && jest --no-cache",
+  "lint": "yarn lint:types && yarn lint:ci",
+  "lint:types": "yarn tsc --noEmit -p .",
+  "lint:ci": "eslint . --ext .tsx,.ts"
+  }
+  }